71160161019091 has 2 divisors, whose sum is σ = 71160161019092. Its totient is φ = 71160161019090.

The previous prime is 71160161019019. The next prime is 71160161019121. The reversal of 71160161019091 is 19091016106117.

Together with previous prime (71160161019019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71160161019091 - 2⁹ = 71160161018579 is a prime.

It is not a weakly prime, because it can be changed into another prime (71160161019011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35580080509545 + 35580080509546.

It is an arithmetic number, because the mean of its divisors is an integer number (35580080509546).

Almost surely, 2^{71160161019091} is an apocalyptic number.

71160161019091 is a deficient number, since it is larger than the sum of its proper divisors (1).

71160161019091 is an equidigital number, since it uses as much as digits as its factorization.

71160161019091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 71160161019091 in words is "seventy-one trillion, one hundred sixty billion, one hundred sixty-one million, nineteen thousand, ninety-one".